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p values of paired two-tail t-tests for fresh samples vs. two significant cases of changes in E for the whole thickness and separated media and adventitia layers.
| Comparison of fresh vs. | p-value | ||
|---|---|---|---|
| Whole Thickness | Media | Adventitia | |
| +4°C after 48 hours | 0.014 | 0.002 | 0.329 |
| –20°C after 3 weeks | 0.009 | 0.031 | 0.042 |
